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# Tag Archives: Games

## Electric potential due to a dipole

If a point lies at a distance x from the midpoint of the dipole the electric potential is?

If the distance x is along the equatorial plane (a plane passing through the midpoint and perpendicular to the axis), the potential will be zero.

Please clarify what did you mean. ## Sensitivity of Wheatstone’s Bridge

When does the sensitivity of a wheatstone bridge reduce?

Sensitivity refers to a large deflection for a small imbalance of the bridge.

Now try to identify the factors contributing to sensitivity!  ## Average velocity

Is average velocity equals to (initial +final velocity)/2 Not always. The average velocity =(initial velocity +final velocity)/2; only if the body is undergoing uniform acceleration or retardation.

If a body is accelerated for some time and then decelerates then the above formula will not give a correct answer.

So, in general, the above formula cannot be used if the body possesses a variable acceleration. ## Difference between Dielectric Break Down and Corona Discharge

HOW IS CORONA DISCHARGE DIFFERENT FROM DIELECTRIC BREAKDOWN IN THE CASE OF VANDEGRAFF GENERATOR 